JP5826162B2 - Filtration device that uses a flat filtration tank as the filtration tank into which used cutting oil is introduced - Google Patents

Filtration device that uses a flat filtration tank as the filtration tank into which used cutting oil is introduced Download PDF

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JP5826162B2
JP5826162B2 JP2012287219A JP2012287219A JP5826162B2 JP 5826162 B2 JP5826162 B2 JP 5826162B2 JP 2012287219 A JP2012287219 A JP 2012287219A JP 2012287219 A JP2012287219 A JP 2012287219A JP 5826162 B2 JP5826162 B2 JP 5826162B2
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used cutting
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浅田和美
茂木秀一
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モスニック株式会社
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Description

本発明は、金属切削工場から排出される切粉を混入した使用済切削油中の切粉を捕捉し、この切粉を除去した濾過済切削油を回収するための濾過装置に関する発明である。 The present invention relates to a filtering device for capturing chips in used cutting oil mixed with chips discharged from a metal cutting factory and recovering the filtered cutting oil from which the chips have been removed.

上記した濾過装置には、いろいろな型式の濾過装置があるが、中でも濾過槽に投入された使用済切削油中に混入して使用済切削油の液面近くに浮遊する比較的比重の軽い切粉を捕捉除去する装置を開発することが業界の関心事であった。 There are various types of filtration devices as described above. Among them, there is a relatively light cut with a relatively specific gravity that is mixed in the used cutting oil charged in the filtration tank and floats near the surface of the used cutting oil. It was an industry concern to develop a device to capture and remove powder.

その関心事に着目して特開２００５−６６８２０号公報に記載された発明が開発された。
前記した公報に開示された発明は、濾過槽内に回動自在に懸架したスクレバーコンベヤの回動方向と平行に、回転マグネットドラムを該回転マグネットドラムの下半円周面が所望の間隔を開けて回動自在となる湾曲板から成る樋型の回転マグネットドラム収容器に回転自在に収容して配設し、該容器を構成する湾曲板の一方上縁から濾過槽内に投入された使用済切削油の中、比較的小さな自重の軽い切粉を混入した使用済切削油を該容器内に導入し、該容器中で回転する回転マグネットドラムの下半円周面に上記使用済切削油中に混入している前記切粉を吸着し、前記使用済切削油は該容器中で切粉を除去した濾過済み切削油とし、この濾過済み切削油を該容器を構成する湾曲板の他方の上縁から濾過槽の側板に隣接して設けられたクリーン槽に溢れ出してクリーン槽に収容し、前記した回転する回転マグネットドラムの下半円周面に吸着た切粉は、回転する回転マグネットドラムの上半円周面に移行したとき該面で掻き取り板で掻き取り、これを切粉回収箱に回収すると言う発明である。
従って、前記公報に開示された発明は、濾過済み切削油を収容するクリーン槽を濾過槽の側壁に隣接した大型のものとして構成しなければならないと言う不都合、並びに回転マグネットドラムの円周面で吸着した切粉の回収に特別な回収箱を容易しなければならないという不都合が生じる。 The invention described in Japanese Patent Application Laid-Open No. 2005-66820 has been developed focusing on this concern.
In the invention disclosed in the above-mentioned publication, the rotary magnet drum is placed at a desired interval on the lower half circumferential surface of the rotary magnet drum in parallel with the rotation direction of the scrubber conveyor that is rotatably suspended in the filtration tank. Use that is housed in a bowl-shaped rotary magnet drum container that consists of a curved plate that can be opened and rotated, and is placed in a filtration tank from one upper edge of the curved plate constituting the container. In the used cutting oil, used cutting oil mixed with light chips of relatively small weight is introduced into the container, and the used cutting oil is placed on the lower half circumferential surface of the rotating magnet drum rotating in the container. The chips mixed in are adsorbed, and the used cutting oil is filtered cutting oil from which the chips are removed in the container, and this filtered cutting oil is used as the other of the curved plates constituting the container. Clean provided from the upper edge adjacent to the side plate of the filtration tank The chips overflowing into the clean tank and adsorbed on the lower semicircular surface of the rotating rotating magnet drum are scraped off on the upper semicircular surface of the rotating rotating magnet drum. It is an invention of scraping with a plate and collecting it in a chip collection box.
Therefore, the invention disclosed in the above publication has the disadvantage that the clean tank containing the filtered cutting oil must be configured as a large tank adjacent to the side wall of the filtration tank, and the circumferential surface of the rotating magnet drum. A disadvantage arises in that a special collection box must be facilitated for collecting the adsorbed chips.

また、濾過槽に投入された使用済切削油中から比較的比重の軽い切粉を濾過槽中で捕捉し除去し、濾過槽中に配設した濾過部材から濾過済切削油を回収しようとする発明が特開２００９−６３０号に記載されている。しかし、この発明では濾過槽中に配設する濾過部材の配設の仕方からして、使用済切削油中の液面近くに浮遊する比較的比重の軽い切粉を捕捉除去して切粉を混入しない濾過済切削油として回収することは難しい。 Moreover, it captures and removes relatively light chips from the used cutting oil put into the filtration tank in the filtration tank, and tries to collect the filtered cutting oil from the filtration member disposed in the filtration tank. The invention is described in JP-A-2009-630. However, in the present invention, from the way of disposing the filtering member disposed in the filtration tank, the light chips having a relatively specific gravity floating near the liquid surface in the used cutting oil are captured and removed to remove the chips. It is difficult to recover the filtered cutting oil without contamination.

この点に着目して本発明の出願人は、上記発明の不都合を解消する濾過装置を開発し、その技術について特許第４７５３３８５号、同第４７５３３８６号公報に記載する発明をしたが、上記した発明でも使用済切削油の液面に浮遊する切粉を思ったとおりに捕捉することはできなかった。 Focusing on this point, the applicant of the present invention has developed a filtration device that eliminates the disadvantages of the above-mentioned invention, and has invented the technology described in Japanese Patent Nos. 4753385 and 4753386 with regard to the technology. However, the chips floating on the surface of the used cutting oil could not be captured as expected.

特開２００５−６６８２０号公報JP 2005-66820 A 特開２００９−６３０号公報JP 2009-630 A 特許第４７５３３８５号公報Japanese Patent No. 4753385 特許第４７５３３８６号公報Japanese Patent No. 4753386 実用新案登録第３１４６５９４号公報Utility Model Registration No. 3146594

本発明は、金属加工工場の床下に設置する実用新案登録第３１４６５９４号公報に記載された型式の濾過槽を扁平状槽とした濾過装置に関する発明であって、前記した発明の不都合を解消し、扁平状に形成された濾過槽に投入された使用済切削油の中から使用済切削油の液面の近くに浮遊する比較的比重の軽い切粉を捕捉し、この切粉を除去した濾過精度の高い濾過済切削油を回収できる濾過装置を提供しようとする。 The present invention is an invention relating to a filtration apparatus having a flat tank as a type of filtration tank described in Utility Model Registration No. 3146594, which is installed under the floor of a metal processing factory, and eliminates the disadvantages of the invention described above. Filtration accuracy by capturing relatively small specific gravity floating chips near the surface of the used cutting oil from the used cutting oil put into the flat shaped filtration tank, and removing the chips It is intended to provide a filtration device that can collect a high-cut filtered cutting oil.

本発明にかかる濾過装置を構成する濾過槽は、金属切削加工工場の床下に設置する実公平２−２８７５３号公報に記載されたような濾過槽を扁平状槽とした濾過装置に関する発明であって、その構成は、図面に示すとおり一方端側に片寄った上部に切粉を混入した使用済切削油を投入する投入口を配し、他方端側の底板には濾過部材の配置箇所を形成し、該箇所からは先端を切粉放擲部とする立ち上り傾斜部とし、一方端から前記濾過部材配置箇所近くまでは天井を低くした扁平状槽として構成した。 The filtration tank constituting the filtration apparatus according to the present invention is an invention relating to a filtration apparatus in which a filtration tank as described in Japanese Utility Model Publication No. 2-28753 installed under the floor of a metal cutting factory is a flat tank. As shown in the drawing, the configuration is such that an inlet for introducing used cutting oil mixed with chips is arranged on the upper side that is offset toward one end side, and the place where the filter member is arranged is formed on the bottom plate on the other end side. From the part, a rising slope part with the tip as a chip releasing part was formed, and from one end to the vicinity of the filtration member placement part, a flat tank with a low ceiling was configured.

本発明にかかる濾過装置１を構成する濾過槽２内の部材配置は、図面に示すとおり、濾過槽２には、一方端と他方端側の濾過部材配置箇所から立ち上る立ち上り傾斜部の先端の切粉放擲部４にはスプロケット６、７を少なくとも一方を主動スプロケットとして配する。また、前記した濾過槽２の濾過部材配設箇所に配置する濾過部材９は、濾過槽２に投入された使用済切削油の液面下に該液面を覗む使用済切削油を流入する流入口１１を開口し、流入口から流入した使用済切削油中から使用済切削油中に混入した切粉を捕捉して濾過した濾過済切削油として濾過槽外に排出する機能を発揮する部材を濾過部材９として配設する。 As shown in the drawing, the member arrangement in the filtration tank 2 constituting the filtration device 1 according to the present invention is such that the filtration tank 2 is cut at the tip of the rising slope portion rising from the filtration member arrangement portion on one end and the other end side. At least one of the sprockets 6 and 7 is disposed as a main sprocket on the powder release section 4. Moreover, the filtration member 9 arrange | positioned at the filtration member arrangement | positioning location of the above-mentioned filtration tank 2 flows in the used cutting oil which looks into this liquid level under the liquid level of the used cutting oil thrown into the filtration tank 2. A member that opens the inlet 11 and exhibits a function of capturing the chips mixed in the used cutting oil from the used cutting oil flowing in from the inlet and discharging it to the outside of the filtration tank as filtered cutting oil. Is disposed as a filtering member 9.

更に、前記した両スプロケット６、７には、それぞれのスプロケットを跨いで、無端スクレーパコンベヤ８を下側移行部材は濾過槽の底面に沿って、且つ濾過部材９下を潜って切粉放擲部５に向かって移行し、切粉放擲部５で反転して、上側移行部材として濾過部材９の頭上を通過させ、該濾過部材９の頭上を通過後は、該上側移行部材を扁平状槽内の底面に沿って移行する下側移行部材に並行にして扁平状槽とした濾過槽の一方端に向かって移行し、該箇所で下側移行部材として反転回動するよう回動自在に懸架する。 Furthermore, the above-mentioned sprockets 6 and 7 straddle the respective sprockets, and the endless scraper conveyor 8 is moved along the bottom surface of the filtration tank and the lower part of the filtration tank 9, and the chip radiating part is dived under the filtration member 9. 5, and is inverted at the chip releasing portion 5, and passes over the head of the filtering member 9 as an upper transition member. After passing over the head of the filtering member 9, the upper transition member is moved to the flat tank. In parallel with the lower transition member that moves along the bottom surface of the inside, it moves toward one end of the filtration tank that is a flat tank, and is pivotably suspended so as to rotate in the reverse direction as the lower transition member. To do.

尚、前記した濾過部材９の駆動は、前記したスクレーパコンベヤ８の回動力の伝達を受けて駆動すると言う構成から成っている。 The above-described filter member 9 is driven by receiving the rotational power of the scraper conveyor 8 and driven.

即ち、この装置は濾過槽を扁平状槽とし、前記したスクレーパコンベヤ８の反転移行路を濾過部材９の頭上を通過されるようにしたことで濾過槽に投入された使用済切削油の液面近くに浮遊している比較的比重の軽い切粉を効率よく捕捉すると言う解決課題を達成するために開発された装置であり、また、この解決課題を達成するための構造の濾過装置として開発された装置である。 That is, in this apparatus, the filtration tank is a flat tank, and the level of the used cutting oil introduced into the filtration tank by passing the reversal transition path of the scraper conveyor 8 over the head of the filtration member 9. It is a device that was developed to achieve the solution problem of efficiently capturing chips with relatively low specific gravity floating nearby, and was developed as a filtration device with a structure to achieve this solution issue. Device.

本発明にかかる濾過装置は、上記した構成としたことにより、濾過槽中に投入された使用済切削油中で比較的比重の軽い切粉を浮遊状態で混入した液面近くの使用済切削油を効率よく取り込み、該油中から切粉を捕捉して除去した濾過精度の高い濾過済切削油を回収できる。 The filtration device according to the present invention has the above-described configuration, so that the used cutting oil near the liquid surface in which the cutting powder having a relatively low specific gravity is mixed in the floating state in the used cutting oil charged into the filtration tank. Can be efficiently collected, and the filtered cutting oil with high filtration accuracy obtained by capturing and removing chips from the oil can be recovered.

本発明にかかる濾過装置を長さ方向の縦断面図である。It is a longitudinal cross-sectional view of the filtration apparatus concerning this invention in the length direction. 本発明の濾過装置の濾過槽に配する濾過部材の動きを説明する拡大断面図である。It is an expanded sectional view explaining movement of a filtration member arranged in a filtration tub of a filtration device of the present invention.

本発明にかかる濾過装置を構成する濾過槽は、金属切削加工工場の床下に設置する実公平２−２８７５３号公報に記載されたような濾過槽を扁平状槽とした濾過装置に関する発明であって、その構成は、図面に示すとおり一方端側に片寄った上部に切粉を混入した使用済切削油を投入する投入口を配し、他方端側の底板には濾過部材の配置箇所を形成し、該箇所からは先端を切粉放擲部とする立ち上り傾斜部とし、一方端から前記濾過部材配置箇所近くまでは天井を低くした扁平状槽として構成した。 The filtration tank constituting the filtration apparatus according to the present invention is an invention relating to a filtration apparatus in which a filtration tank as described in Japanese Utility Model Publication No. 2-28753 installed under the floor of a metal cutting factory is a flat tank. As shown in the drawing, the configuration is such that an inlet for introducing used cutting oil mixed with chips is arranged on the upper side that is offset toward one end side, and the place where the filter member is arranged is formed on the bottom plate on the other end side. From the part, a rising slope part with the tip as a chip releasing part was formed, and from one end to the vicinity of the filtration member placement part, a flat tank with a low ceiling was configured.

本発明にかかる濾過装置１を構成する濾過槽２内の部材配置は、図面に示すとおり、濾過槽２には、一方端と他方端側の濾過部材配置箇所から立ち上る立ち上り傾斜部の先端の切粉放擲部４にはスプロケット６、７を少なくとも一方を主動スプロケットとして配する。また、前記した濾過槽２の濾過部材配設箇所に配置する濾過部材９は、濾過槽２に投入された使用済切削油の液面下に該液面を覗む使用済切削油を流入する流入口１１を開口し、流入口から流入した使用済切削油中から使用済切削油中に混入した切粉を捕捉して濾過した濾過済切削油として濾過槽外に排出する機能を発揮する部材を濾過部材９として配設する。 As shown in the drawing, the member arrangement in the filtration tank 2 constituting the filtration device 1 according to the present invention is such that the filtration tank 2 is cut at the tip of the rising slope portion rising from the filtration member arrangement portion on one end and the other end side. At least one of the sprockets 6 and 7 is disposed as a main sprocket on the powder release section 4. Moreover, the filtration member 9 arrange | positioned at the filtration member arrangement | positioning location of the above-mentioned filtration tank 2 flows in the used cutting oil which looks into this liquid level under the liquid level of the used cutting oil thrown into the filtration tank 2. A member that opens the inlet 11 and exhibits a function of capturing the chips mixed in the used cutting oil from the used cutting oil flowing in from the inlet and discharging it to the outside of the filtration tank as filtered cutting oil. Is disposed as a filtering member 9.

更に、前記した両スプロケット６、７には、それぞれのスプロケットを跨いで、無端スクレーパコンベヤ８を下側移行部材は濾過槽の底面に沿って、且つ濾過部材９下を潜って切粉放擲部５に向かって移行し、切粉放擲部５で反転して、上側移行部材として濾過部材９の頭上を通過させ、該濾過部材９の頭上を通過後は、該上側移行部材を扁平状槽内の底面に沿って移行する下側移行部材に並行にして扁平状槽とした濾過槽の一方端に向かって移行し、該箇所で下側移行部材として反転回動するよう回動自在に懸架する。 Furthermore, the above-mentioned sprockets 6 and 7 straddle the respective sprockets, and the endless scraper conveyor 8 is moved along the bottom surface of the filtration tank and the lower part of the filtration tank 9, and the chip radiating part is dived under the filtration member 9. 5, and is inverted at the chip releasing portion 5, and passes over the head of the filtering member 9 as an upper transition member. After passing over the head of the filtering member 9, the upper transition member is moved to the flat tank. In parallel with the lower transition member that moves along the bottom surface of the inside, it moves toward one end of the filtration tank that is a flat tank, and is pivotably suspended so as to rotate in the reverse direction as the lower transition member. To do.

尚、前記した濾過部材９の駆動は、前記したスクレーパコンベヤ８の回動力の伝達を受けて駆動すると言う構成から成っている。 The above-described filter member 9 is driven by receiving the rotational power of the scraper conveyor 8 and driven.

本発明の濾過装置１の濾過槽２は、上記した課題を解決するための手段の項に記載されたように実用新案登録第３１４６５９４号公報に記載されているような濾過槽を扁平状溝として構成されている。この構成を図１、図２に示す。
The filtration tank 2 of the filtration device 1 according to the present invention uses a filtration tank as described in Utility Model Registration No. 3146594 as a flat groove as described in the section for solving the above-mentioned problems. It is configured. This configuration is shown in FIGS.

本発明にかかる濾過装置１を稼働すると、使用済切削油投入口３から切削屑を混入した使用済切削油が扁平状槽として形成された濾過槽２内に投入される。 When the filtration device 1 according to the present invention is operated, the used cutting oil mixed with cutting waste is supplied from a used cutting oil inlet 3 into a filtration tank 2 formed as a flat tank.

濾過槽２に投入された使用済切削油は、該使用済切削油中に混入した比較的比重の重い切粉は該濾過槽の底板３上に沈澱して堆積することになる。
比重がそれほど重くはない切粉は、使用済切削油中に浮遊し、徐々に該使用済切削油中を沈降し、やがて濾過槽２の底板３に沈澱して堆積するようになる。
比重が比較的軽い切粉は、なかなか濾過槽１中に投入された使用済切削油中に沈降せず使用済切削油の液面を浮遊することになる。 As for the used cutting oil thrown into the filtration tank 2, the chips with relatively high specific gravity mixed in the used cutting oil are deposited on the bottom plate 3 of the filtration tank.
The chips whose specific gravity is not so heavy float in the used cutting oil, gradually settle in the used cutting oil, and eventually settle and deposit on the bottom plate 3 of the filtration tank 2.
Chips having a relatively low specific gravity do not readily settle in the used cutting oil introduced into the filtration tank 1 and float on the surface of the used cutting oil.

濾過槽２内に配設された無端スクレーパコンベヤ８は、濾過槽２の一方端と切粉放擲部５に配したスプロケット６、７を跨いで懸架されている。その無端スクレーパコンベヤ８は前記スプロケット６、７の中の主動スプロケットの駆動により、濾過槽２の一方端と濾過槽２の他方端側に形成された立ち上り傾斜部４の先端の切粉放擲部５の間を濾過槽内で回動する。
この無端スクレーパコンベヤ８の回動は、下側を走行するスクレーパ部材８１は濾過槽２の底面３に沈澱して堆積した切粉を濾過槽２の一方端側からスクレーパ８１によって掻き集めながら、後記する濾過部材の下を潜ってその切粉を濾過槽２の他方端側に配置する立ち上り傾斜部４の先端の切粉放擲部５まで移行し、その切粉を切粉放擲部５から濾過槽２外に放擲する。
この動きの後は、切粉放擲部５箇所に配置したスプロケット６により反転回動する。
その反転回動は、下側を走行するスクレーパー部材８１を該スプロケット７により、下側を走行する部材８１の上側を上側走行するスクレーパー部材８２として走行して立ち上り傾斜部４中を走行する部材となることになる。 The endless scraper conveyor 8 disposed in the filtration tank 2 is suspended across one end of the filtration tank 2 and the sprockets 6 and 7 disposed in the chip discharge section 5. The endless scraper conveyor 8 is driven by the main sprocket in the sprockets 6, 7, and a chip radiating portion at the tip of the rising slope portion 4 formed on one end of the filtration tank 2 and the other end side of the filtration tank 2. 5 is rotated in the filtration tank.
The rotation of the endless scraper conveyor 8 will be described later while the scraper member 81 traveling on the lower side scrapes and collects chips deposited on the bottom surface 3 of the filtration tank 2 from the one end side of the filtration tank 2 by the scraper 81. Under the filter member, the chips are transferred to the chip releasing section 5 at the tip of the rising slope 4 where the chips are arranged on the other end side of the filtration tank 2, and the chips are filtered from the chip releasing section 5. Radiate outside of tank 2.
After this movement, the sprocket 6 is rotated in the reverse direction by five sprockets disposed at the chip releasing section.
The reverse rotation of the scraper member 81 traveling on the lower side by the sprocket 7 as a scraper member 82 traveling on the upper side of the member 81 traveling on the lower side and traveling on the rising slope portion 4 Will be.

この上側を走行するスクレーパー部材８２は、濾過槽２の濾過部材配置箇所に配置された濾過部材９の頭上を通過し、濾過部材の頭上を通過した後は扁平状槽として形成された濾過槽２内を前記したように底面に沿って移行する下側走行部材８１の上側を下側走行部材８１と平行して濾過槽２の一方端に向かって上側走行部材８２として移行し、濾過槽２の一方端に配設したスプロケット７により反転回動して下側を走行する部材８１となって移行する。 The scraper member 82 traveling on the upper side passes over the filtration member 9 disposed at the filtration member arrangement portion of the filtration tank 2, and after passing over the filtration member, the filtration tank 2 formed as a flat tank. As described above, the upper side of the lower traveling member 81 that moves along the bottom surface moves in parallel with the lower traveling member 81 toward the one end of the filtration tank 2 as the upper traveling member 82, and The sprocket 7 disposed at one end reversely rotates and moves as a member 81 that travels on the lower side.

この下側を走行する部材８１となった部材は前記したように濾過槽２の底板３に沈澱堆積した切粉を掻き集めて、前記した切粉放擲部５まで掻き集めた切粉を走行し、この切粉を切粉放擲部５から濾過槽２外に放擲することになる。 The member which became the member 81 which travels on the lower side scrapes the chips deposited on the bottom plate 3 of the filtration tank 2 as described above, travels the scraps collected up to the above-described chip releasing section 5, The chips are released from the chip release section 5 to the outside of the filtration tank 2.

本発明の特徴を説明する。
本発明の濾過部材９は、濾過槽２の他方端側の立ち上り傾斜部４に片寄った位置に配置する。しかも、無端スクレーパコンベヤ８の走行路が立ち上り傾斜部４の先端の切粉放擲部５から反転して無端スクレーパコンベヤ８の上側走行部材８２となり、この上側走行部材８２が前記濾過部材９の頭上を通過した後に濾過槽２の扁平状槽に入り込むようにしてある。 The features of the present invention will be described.
The filtration member 9 of the present invention is disposed at a position offset from the rising slope 4 on the other end side of the filtration tank 2. Moreover, the traveling path of the endless scraper conveyor 8 rises and reverses from the chip releasing portion 5 at the tip of the inclined portion 4 to become the upper traveling member 82 of the endless scraper conveyor 8, and this upper traveling member 82 is overhead of the filter member 9. After passing through the flat tank of the filtration tank 2.

この構成は、濾過槽２内に配置する濾過部材箇所並びにその近傍の濾過槽中の使用済切削油を、スクレーパコンベヤ８の上側走行部材８２によって掻き混ざることを避ける構成としたことである。
スクレーパコンベヤ８の走行路を上記のようにしたことにより、濾過槽２中を回動するスクレーパコンベヤ８によって使用済切削油を掻き混ぜることになることを避けることになり、濾過槽中に投入された使用済切削油中の比較的比重の重い切粉は沈降を妨げられ、液面に浮遊する状態を維持することになり、その結果液面には比較的比重の軽い切粉が混じって浮遊することになる。
本発明は、スクレーパコンベヤ８の走行路を上記のように設定したので、濾過部材９の頭上に近い位置にある使用済切削油の液面はスクレーパコンベヤ８の回動によって掻き混ぜることなく比較的に安定した液面となる。
その結果、液面近くに浮遊する比較的比重の軽い切粉を効率よく濾過部材中に取り込むことができるようになる。 This configuration is configured to avoid scraping and mixing the used cutting oil in the filter member disposed in the filter tank 2 and the filter tank in the vicinity thereof by the upper traveling member 82 of the scraper conveyor 8.
By making the travel path of the scraper conveyor 8 as described above, it is avoided that the used cutting oil is stirred by the scraper conveyor 8 rotating in the filtration tank 2 and is put into the filtration tank. In addition, chips with relatively high specific gravity in the used cutting oil are prevented from settling and remain floating on the liquid surface. As a result, chips with relatively light specific gravity are mixed and floated on the liquid surface. Will do.
In the present invention, since the travel path of the scraper conveyor 8 is set as described above, the level of the used cutting oil at a position close to the head of the filter member 9 is relatively not stirred by the rotation of the scraper conveyor 8. The liquid level becomes stable.
As a result, it is possible to efficiently take into the filter member chips having a relatively low specific gravity that floats near the liquid surface.

この液面下で、この液面に向かって使用済切削油を取り込む取り込み口を開口し、前記スクレーパコンベヤ８の回動による回動力を所望の機材（図示しない）を介在させて伝達を受けて、駆動する濾過部材９を配設することによって、液面近くで比較的比重の軽い切粉が浮遊している使用済切削油を効率よく濾過部材中に取り込むことができる。 Under this liquid level, an intake port for taking in the used cutting oil is opened toward the liquid level, and the rotational force generated by the rotation of the scraper conveyor 8 is transmitted through a desired device (not shown). By disposing the filtering member 9 to be driven, the used cutting oil in which chips having relatively light specific gravity float near the liquid surface can be efficiently taken into the filtering member.

その結果、該使用済切削油の中から該切粉を効率よく捕捉し、除去して、該濾過部材から濾過精度の高い濾過済切削油を濾過槽外に流出することができる。 As a result, the chips can be efficiently captured and removed from the used cutting oil, and the filtered cutting oil with high filtering accuracy can flow out of the filtration tank from the filtering member.

濾過槽２に配設される濾過部材９の構成の一例について説明する。
断面を半円形とした樋体１０の長尺開口を使用済切削油流入口１１とし、
該樋体１０の底板外に、該底板の長尺方向に該底板と連通穴（図示しない）を以て連通して成り、先端を濾過槽２の側板を通過して突出して成る濾過済切削油排出管１２を形成し、
該樋体１０の長尺開口である使用済切削油流入口１１には、
丸棒２０の円周面を長手方向に幅狭の非マグネット面を形成するようマグネット２１を以てＣ型マグネット面から成るマグネット丸棒２３を収容し、
該マグネット丸棒２３の外周面を、所望の動力伝達機構からの動力伝達を受けて回転する非磁性材料から成る円筒３０を回動自在に配設して成るマグネットドラム３１とし、このマグネットドラム３１を前記した樋体１０に所望の隙間を設けて回転自在に配設する構成とした。 An example of the configuration of the filtration member 9 disposed in the filtration tank 2 will be described.
A long opening of the casing 10 having a semicircular cross section is used as a used cutting oil inlet 11,
Filtered cutting oil discharge formed by communicating with the bottom plate in the longitudinal direction of the bottom plate of the housing 10 through a communication hole (not shown) in the longitudinal direction of the bottom plate, and protruding the tip through the side plate of the filtration tank 2. Forming the tube 12,
In the used cutting oil inlet 11 which is a long opening of the casing 10,
A magnet round bar 23 composed of a C-shaped magnet surface is accommodated with a magnet 21 so that the circumferential surface of the round bar 20 forms a non-magnet surface that is narrow in the longitudinal direction;
The outer peripheral surface of the magnet round bar 23 is a magnet drum 31 in which a cylinder 30 made of a nonmagnetic material that rotates by receiving power transmission from a desired power transmission mechanism is rotatably arranged. The above-described housing 10 is configured to be rotatably provided with a desired gap.

濾過部材９の配置位置について説明する。
この濾過部材９は、前記したマグネットドラム３１をスクレーパコンベヤ８の回動方向に直角として配置する。そして、濾過槽２の濾過部材配設箇所に使用済切削油流入口を濾過槽に投入された使用済切削の液面下から該使用済切削油の液面を覗むように向けて配置する。 The arrangement position of the filter member 9 will be described.
The filter member 9 has the above-described magnet drum 31 disposed at a right angle to the rotational direction of the scraper conveyor 8. And the used cutting oil inflow port is arrange | positioned in the filtration member arrangement | positioning location of the filtration tank 2 so that the liquid level of this used cutting oil may be looked into from under the liquid level of the used cutting thrown into the filtration tank.

濾過部材９の機能について説明する。
濾過槽２内に配置するこの濾過部材９の樋体１０の使用済切削油流入口１１からは前記した濾過槽２内に投入された使用済切削油が液面に浮遊する比較的比重の軽い切粉を混入した状態で断面を半円形とした樋体１０内に流入する。
この使用済切削中に混入した、比較的比重の軽い切粉は、断面を半円形とした樋体１０の中で例えばスクレーパコンベヤの回動力の伝達を受けて矢印Ａ方向に回転するマグネットドラム３１を形成する非磁性材料から成る円筒３０面に前記したマグネット丸棒２２の円周面に配したマグネット２１の磁力により吸着されて前記樋体１０内側を回動する。
この切粉がマグネットドラム３１を形成する該円筒３０に収容されたマグネット丸棒２３の小幅の非マグネット２２面に達したときは、丸棒に配されたマグネットの吸着力から開放されて、該円筒３０面から離脱されるような状態になる。
従って、この切粉を図面に示すような滑り台形式の切粉取り除き板１３を以てマグネットドラム３１を形成する前記非磁性材料から成る円筒３０面から剥がし取り、濾過槽２中に滑り落させる。
前記した樋体１０と前記したマグネットドラム３１の間を通った使用済切削油は、使用済切削油に混入した切粉を上記した状態で捕捉されて、濾過済切削油となって前記樋体の底板の流通孔から、前記樋体１０の底板下に配された濾過済切削油排出管１２を通って、濾過槽外に排出される。 The function of the filter member 9 will be described.
From the used cutting oil inflow port 11 of the housing 10 of the filter member 9 disposed in the filter tank 2, the used cutting oil charged in the filter tank 2 is floated on the liquid surface and has a relatively low specific gravity. It flows into the housing 10 having a semicircular cross section with the chips mixed therein.
Magnet drum 31 which rotates in the direction of arrow A in response to the transmission of the rotational force of the scraper conveyor, for example, in the case 10 having a semicircular cross section, is mixed with the spent cutting. It is attracted by the magnetic force of the magnet 21 disposed on the circumferential surface of the magnet round bar 22 to the surface of the cylinder 30 made of a non-magnetic material forming the rod 10 and rotates inside the housing 10.
When this chip reaches the small non-magnet 22 surface of the magnet round bar 23 accommodated in the cylinder 30 forming the magnet drum 31, it is released from the attractive force of the magnet arranged on the round bar, It will be in the state where it is detached from the cylinder 30 surface.
Therefore, the chips are peeled off from the surface of the cylinder 30 made of the non-magnetic material forming the magnet drum 31 with a slide-type chip removing plate 13 as shown in the drawing, and are slid down into the filtration tank 2.
The used cutting oil that has passed between the above-described casing 10 and the above-described magnet drum 31 is captured in the state described above in the state where the chips mixed in the used cutting oil are converted into the filtered cutting oil. From the flow hole of the bottom plate, the filtered cutting oil discharge pipe 12 disposed under the bottom plate of the casing 10 is discharged out of the filtration tank.

従って、この濾過済切削油は、これまでの濾過済切削油より濾過精度の高い濾過済切削油として回収される。 Therefore, this filtered cutting oil is recovered as a filtered cutting oil having higher filtering accuracy than the conventional filtered cutting oil.

２ 扁平状槽とした濾過槽
８ 無端スクレーパコンベヤ
８１ 上側を草稿するスクレーパの部材
８２ 下側を草稿するスクレーパの部材
９ 濾過部材
１０ 樋体
１２ 濾過済切削油排出管
３１ マグネットドラム
2 Filtration tank 8 as flat tank 8 Endless scraper conveyor 81 Scraper member 82 drafting the upper side Scraper member drafting the lower side 9 Filtering member 10 Housing 12 Filtered cutting oil discharge pipe 31 Magnet drum

Claims (1)

濾過槽を扁平状槽とし、扁平状槽の一方端側の上方には使用済切削油投入口を、他方端側には先端を切粉放擲部とする立ち上り傾斜部を形成し、
前記使用済切削油投入口側と前記切粉放擲部側には、少なくとも一方を主動スプロケットとするスプロケットを配し、
前記濾過槽の立ち上り傾斜部近くには、濾過槽に投入された使用済切削油を流入する流入口を形成し、その流入口を該使用済切削油の液面に向けて開口し、底板には連通口によって連通する濾過済切削油を濾過槽外に排出する排出筒を配した樋体の前記流入口中に、非磁性材料から成る回転円筒内に、周面に小幅の非マグネット面としたマグネット付着丸棒を収容して成るマグネットドラムを、該マグネットドラムの回転円筒の上半周面が、濾過槽に投入された使用済切削油面上に露出し、該回転円筒の下半周面が、該樋体内で回転するよう使用済切削油通路を形成して収容した濾過部材を配し、
前記したスプロケットには無端スクレーパコンベヤをスクレーパ部材が濾過槽の底板に沿って、前記濾過部材を潜って前記切粉放擲部に向かって移行する下側移行部材とし、その下側移行部材は、切粉放擲部に配したスプロケットにより反転して上側移行部材として、濾過槽の一方端側に配したスプロケットに向かって回動するよう懸架し、
その回動過程で濾過槽内に配置した濾過部材の頭上を通過して、該濾過部材の頭上を通した後は、扁平状槽の底板に沿って移行する下側移行部材に平行して扁平槽の一方端に配されたスプロケットにより反転回動するように懸架された構成とされたことを特徴とする使用済切削油を投入する濾過槽を扁平状の濾過槽とした濾過装置。 The filtration tank is a flat tank, a used cutting oil inlet is formed above one end side of the flat tank, and a rising slope part with the tip as a chip erosion part is formed on the other end side,
A sprocket having at least one main driving sprocket is disposed on the used cutting oil inlet side and the chip releasing part side,
Near the rising slope of the filtration tank, an inlet for flowing the used cutting oil introduced into the filtration tank is formed, the inlet is opened toward the liquid level of the used cutting oil, and a bottom plate is formed. the filtered cutting oil which communicates with the communication port with the flow inlet of the discharge tube and placed gutter body for discharging to the outside of the filtration tank, in a rotating cylinder made of a non-magnetic material, non-magnetic surface of the small width on the peripheral surface the magnet drum formed by accommodating a magnet attached round bar was, on half surfaces of the rotating cylinder of the magnet drum, exposed on has been spent cutting oil surface introduced to the filtration tank, under half surface of the rotating cylinder However, a filtration member accommodated by forming a used cutting oil passage so as to rotate in the housing is arranged,
The above-described sprocket has an endless scraper conveyor as a lower transition member in which the scraper member moves along the bottom plate of the filtration tank, and the filter member dives toward the chip discharge part, and the lower transition member is Inverted by the sprocket placed in the chip release section, suspended as an upper transition member to rotate toward the sprocket placed on one end side of the filtration tank,
After passing through the head of the filtration member arranged in the filtration tank in the turning process and passing over the head of the filtration member, the flat plate is parallel to the lower transition member that moves along the bottom plate of the flat tank. A filtration apparatus in which a filtration tank into which used cutting oil is poured is a flat filtration tank that is suspended and rotated by a sprocket arranged at one end of the tank.
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